Table 2.

Multivariate Logistic Regression Models for Association between Gender and Cost-Related Medication Nonadherence among Diabetes Patients (N = 11,448)

Skipped Medication OR (95% CI)Took Less Medication OR (95% CI)Delayed Filling Prescription OR (95% CI)Lower-Cost Medication OR (95% CI)
Gender
    Male (Ref)1.001.001.001.00
    Female1.30** (1.09–1.55)1.26* (1.06–1.50)1.29*** (1.11–1.50)1.17** (1.04–1.32)
Usual Source of Care
    Yes0.59*** (0.44–0.79)0.56*** (0.42–0.74)0.60*** (0.45–0.79)1.09 (0.84–1.42)
    No (Ref)1.001.001.001.00
Age
    18 to 29 (Ref)1.001.001.001.00
    30 to 440.99 (0.63–1.54)1.05 (0.68–1.63)1.13 (0.72–1.76)1.28 (0.88–1.87)
    45 to 640.73 (0.48–1.12)0.80 (0.53–1.21)0.75 (0.48–1.16)1.06 (0.74–1.50)
    65 and above0.24*** (0.15–0.38)0.29*** (0.19–0.46)0.28*** (0.18–0.44)0.69* (0.48–0.99)
Race/Ethncity
    Non-Hispanic White (Ref)1.001.001.001.00
    Non-Hispanic Black1.12 (0.92–1.37)1.20 (0.99–1.46)1.09 (0.91–1.30)0.80** (0.69–0.92)
    Hispanic1.02 (0.81–1.28)0.99 (0.78–1.24)0.85 (0.68–1.06)0.72*** (0.60–0.85)
    Non-Hispanic Other0.61** (0.42–0.89)0.63* (0.43–0.92)0.50*** (0.35–0.71)0.64*** (0.50–0.81)
Education Attainment
    Less than High School (Ref)1.001.001.001.00
    High School1.18 (0.88–1.58)1.25 (0.93–1.68)1.06 (0.81–1.39)1.12 (0.90–1.39)
    Some College and Above1.36 (0.99–1.86)1.53** (1.12–2.09)1.17 (0.87–1.58)1.21 (0.96–1.53)
Marital Status
    Married1.09 (0.93–1.28)1.08 (0.92–1.26)1.07 (0.92–1.24)1.11 (0.99–1.25)
    Non-married (Ref)1.001.001.001.00
Health Insurance
    Private (Ref)1.001.001.001.00
    Public0.74** (0.61–0.91)0.68*** (0.55–0.83)0.69*** (0.57–0.82)0.79*** (0.69–0.89)
    No Coverage2.72*** (2.10–3.53)2.46*** (1.91–3.17)2.26*** (1.79–2.83)2.11*** (1.73–2.58)
Poverty Ratio
    Less than 1 (Ref)1.001.001.001.00
    1 to 21.24 (0.98–1.56)1.14 (0.91–1.43)1.14 (0.91–1.43)1.61*** (1.35–1.92)
    Greater than 20.62*** (0.46–0.82)0.55*** (0.42–0.71)0.59*** (0.46–0.76)1.30** (1.08–1.56)
Self-reported Health
    Good and above0.55*** (0.46–0.65)0.53*** (0.44–0.63)0.57*** (0.48–0.67)0.73*** (0.65–0.83)
    Fair and below (Ref)1.001.001.001.00
Current Smoker
    Yes1.39** (1.14–1.70)1.36** (1.12–1.64)1.28* (1.06–1.54)1.12 (0.97–1.30)
    No (Ref)1.001.001.001.00
Alcohol Use
    Heavy & Medium1.05 (0.80–1.37)0.94 (0.72–1.22)0.83 (0.64–1.09)0.86 (0.71–1.05)
    Light & No use (Ref)1.001.001.001.00
Functional Limitation
    Not limited in any way (Ref)1.001.001.001.00
    Has a functional limitation1.90*** (1.55–2.33)2.01*** (1.65–2.46)1.98*** (1.65–2.38)1.67*** (1.46–1.92)
  • CI, confidential interval; OR, odd ratio.

  • * P < .05.

  • ** P < .01.

  • *** P < .001.

  • Regression adjusted for survey year.